Well I have the same problem
I used to have skype in my nokia n86
one day I unistalled it because I neoticed that is not working as used to be.
Now, I can not install it; WHY??
pls i try to install skype on my nokia details as per above subject but not working so try to help me in order to talk with my sister as it live in out abroad of me and i would like her to be in touch with us as usual.